Useful thread on no membership dating — the ratio of real to inactive users decides it, and that is the part I will actually act on.
I would frame no membership dating this way: real activity is harder to find than big numbers.
Meaningful replies are rarer than matches, and that applies to no membership dating as much as anywhere.
The visible activity level counts for more than review-site scores, at least in my experience with no membership dating.
The honest answer on no membership dating is that volume without activity is meaningless.
I would check if the cancellation flow is honest about what it restricts — worth checking before you commit to no membership dating before committing any time to no membership dating.